Yes, there is, at the very end. Most of the cast fly over Paris in a balloon dropping those special seeds that make the water recede as they grow into large sunflowers.
The credits end with the 3 antagonists share the same prison room.
The story takes place in January 1910 when Paris went through was is known as the great flood:
http://en.wikipedia.org/wiki/1910_Great_Flood_of_Paris
When the water was at its highest, the Eiffel tower had indeed its feet in the water.
